MESON Chess Problem Database
Problem Display
PID: 187819 (4B3/3bN2p/2R1p1PP/1Q5K/3pkp2/7R/2P5/1nn2N2 w - - 0 1)
Lindmark, CE
The Times, 1909
#2
10 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bxc6
- 2.Bxc6#
- 1...Bxe8
- 2.Rxe6#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.cxd3#
- 1...d3
- 2.Rc4#
- 1...f3
- 2.Rh4#
- 1...e5
- 2.Qd5#
- 1...hxg6+
- 2.Bxg6#
- 1...Bxc6
- Tries
- 1.Kg5?
- 1...Bxc6
- 2.Bxc6#
- 1...Bxe8
- 2.Rxe6#
- 1...hxg6
- 2.Bxg6#
- 1...d3
- 2.Rc4#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.cxd3#
- 1...f3
- 2.Rh4#
- 1...e5
- 2.Qd5#
- 1...Bc8!
- 1...Bxc6
- 1.Sc8?
- threat
- 2.Sd6#
- 1...hxg6+
- 2.Bxg6#
- 1...d3
- 2.Rc4#
- 1...f3
- 2.Rh4#
- 1...Bxc8!
- threat
- 1.Sg8?
- threat
- 2.Sf6#
- 1...hxg6+
- 2.Bxg6#
- 1...d3
- 2.Rc4#
- 1...f3
- 2.Rh4#
- 1...e5!
- threat
- 1.Bxd7?
- threat
- 2.Rxe6#
- 1...d3
- 2.Rc4#
- 1...f3
- 2.Rh4#
- 1...Sd3
- 2.cxd3#
- 1...e5
- 2.Bf5#
- 2.Qd5#
- 1...hxg6+!
- threat
- 1.Rc5?
- threat
- 2.Re5#
- 1...hxg6+
- 2.Bxg6#
- 1...d3
- 2.Rc4#
- 2.Qc4#
- 2.Qb4#
- 1...f3
- 2.Rh4#
- 1...Sd3
- 2.Qxd3#
- 2.cxd3#
- 1...e5
- 2.Rxe5#
- 1...Bxb5!
- threat
- 1.Rb6?
- 1...hxg6+
- 2.Bxg6#
- 1...Bxb5
- 2.Rxe6#
- 1...Bxe8
- 2.Rxe6#
- 1...f3
- 2.Rh4#
- 1...Bc8
- 2.Bc6#
- 1...Bc6
- 2.Bxc6#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.cxd3#
- 1...e5
- 2.Qd5#
- 1...d3!
- 1...hxg6+
- 1.Rd6?
- 1...hxg6+
- 2.Bxg6#
- 1...Bxb5
- 2.Rxe6#
- 1...Bxe8
- 2.Rxe6#
- 1...f3
- 2.Rh4#
- 1...Bc8
- 2.Bc6#
- 1...Bc6
- 2.Bxc6#
- 2.Rxe6#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.cxd3#
- 1...e5
- 2.Qd5#
- 1...d3!
- 1...hxg6+
- 1.gxh7?
- threat
- 2.Bg6#
- 1...d3
- 2.Rc4#
- 1...f3
- 2.Rh4#
- 1...e5
- 2.Qd5#
- 1...Bxe8+!
- threat
- 1.Kg5?
- Keys
- 1.Ra6!
- 1...hxg6+
- 2.Bxg6#
- 1...Bxb5
- 2.Rxe6#
- 1...Bxe8
- 2.Rxe6#
- 1...d3
- 2.Ra4#
- 1...f3
- 2.Rh4#
- 1...Bc8
- 2.Bc6#
- 1...Bc6
- 2.Bxc6#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sd3
- 2.cxd3#
- 1...e5
- 2.Qd5#
- 1...hxg6+
- 1.Ra6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(g);OGATE,XR(F)::B(J),XB(g)
- B(g);N_GUARD,P_PINP(G),XB(J)::R(F),XP(f)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(D)
- S(b);N_GUARD::QAR2(D),XS(b)
- S(b);OGATE::P(B),XS(b)
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- P(f);N_GUARD::QAB1(D)
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- B(g);OGATE,XR(F)::B(J),XB(g)
- B(g);N_GUARD,XB(J)::R(F),XP(f)
- P(h);OGATE,XP(G)::B(J),XP(h)
- P(c);OGATEB::R(F)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(D)
- S(b);N_GUARD::QAR2(D),XS(b)
- S(b);OGATE::P(B),XS(b)
- P(e);OGATEB,SBLOCK::R(C)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(g);
- Try
- S(I);
- Threat
- S(I)
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- Refutation
- B(g);XS(I)
- Try
- S(I);
- Threat
- S(I)
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- Refutation
- P(f);
- Try
- B(J);XB(g)
- Threat
- R(F),XP(f)
- Vars
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- S(b);OGATE::P(B),XS(b)
- Refutation
- P(h);CHECK,XP(G)
- Try
- R(F);
- Threat
- R1(F)
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- P(e);OGATEB,SBLOCK::R(C)
- P(f);::R1(F),XP(f)
- Refutation
- B(g);XQ(D)
- Try
- R(F);
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- B(g);N_GUARD,XQ(D)::R(F),XP(f)
- B(g);N_GUARD,P_PINP(G),XB(J)::R(F),XP(f)
- P(e);OGATEB,SBLOCK::R(C)
- B(g);OGATE::B(J)
- B(g);OGATE::B(J),XB(g)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(D)
- S(b);N_GUARD::QAR2(D),XS(b)
- S(b);OGATE::P(B),XS(b)
- P(f);N_GUARD::QAB1(D)
- Refutation
- P(c);
- Try
- R(F);
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- B(g);N_GUARD,XQ(D)::R(F),XP(f)
- B(g);N_GUARD,P_PINP(G),XB(J)::R(F),XP(f)
- P(e);OGATEB,SBLOCK::R(C)
- B(g);OGATE::B(J)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(D)
- S(b);N_GUARD::QAR2(D),XS(b)
- S(b);OGATE::P(B),XS(b)
- P(f);N_GUARD::QAB1(D)
- Refutation
- P(c);
- Try
- P(G);XP(h)
- Threat
- B(J)
- Vars
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- P(f);N_GUARD::QAB1(D)
- Refutation
- B(g);CHECK,XB(J)
- Try
- Actual
- R(F);
- Vars
- P(h);CHECK,OGATE,XP(G)::B(J),XP(h)
- B(g);N_GUARD,XQ(D)::R(F),XP(f)
- B(g);N_GUARD,P_PINP(G),XB(J)::R(F),XP(f)
- P(c);OGATEB::R(F)
- P(e);OGATEB,SBLOCK::R(C)
- B(g);OGATE::B(J)
- B(g);OGATE::B(J),XB(g)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(b);N_GUARD::QAR2(D)
- S(b);N_GUARD::QAR2(D),XS(b)
- S(b);OGATE::P(B),XS(b)
- P(f);N_GUARD::QAB1(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).